184 DISEASES OF THE HORSE. 



free hydrogen, Avhich is given out from tlie lungs, and is 

 readily seen issuing from the nostrils on a frosty morning, 

 or when the thermometer is about 40°. 



Kevulsion. — A second attack of disease, but in a remote 

 or different part of the body from which the first attack 

 had its seat. Example : If an eruption, or the abscess of 

 strangles be repelled from the outside of the body, we will 

 find it attacking an internal organ. (See Metastasis.) 



Rheumatism. — In no disease of the horse are there so 

 many errors and mistakes committed ; not only as to the 

 nature of the affection, but its mode of treatment. Horse- 

 men and horse doctors have not yet learned that there is a 

 difference between rheumatism and founder, whether 

 acute or chronic, and how to distinguish one from the 

 other. The difference between acute or inflammatory 

 rheumatism and acute founder is this : In rheumatism 

 there is not only pain, but great fever and excitement, and 

 its seat is in the joints of the legs ; in founder, we have 

 pain, bat no fever, and the disease is confined to the feet 

 alone. (See Laminitis.) 



In chronic rheumatism there may be some excuse for 

 such mistakes, as there is no fever; but there is an inability 

 to move, as if the horse was sprained over the loins. (See 

 Lumbago.) 



(1.) Acute Rheumatism. — Nothing else but what is 

 called (when man is the subject,) rheumatic fever. 



Symptoms. Great fever, excitement, and irritation, with 

 extreme pain in the legs and joints ; so much so, that the 

 stricken horse has not a leg fit to stand upon, and dares 

 not move from the place he occupies, from fear of falling 

 to the ground. In connection with all this disturbance, 

 the horse sweats profusely, and blows or breathes excitedly, 



